1. Determine your net income.
2. Calculate your self-employment tax.
3. Determine your itemizations.
4. Subtract your personal exemption.
5. Determine your federal tax rate.
6. Subtract any tax credits.
7. Divide the tax due by the four IRS quarters.
Don't want the hassle? Download QuickBooks Self-Employed & it'll do the work for you....
Learn More